US 12,227,533 B2
Crystalline forms and methods of producing crystalline forms of a compound
Brian Lian, Rancho Santa Fe, CA (US); Hiroko Masamune, San Diego, CA (US); and Geoffrey Barker, Carlsbad, CA (US)
Assigned to Viking Therapeutics, Inc., San Diego, CA (US)
Filed by Viking Therapeutics, Inc., San Diego, CA (US)
Filed on Oct. 13, 2023, as Appl. No. 18/486,487.
Application 18/486,487 is a continuation of application No. 16/982,022, granted, now 11,787,828, previously published as PCT/US2019/022824, filed on Mar. 18, 2019.
Claims priority of provisional application 62/646,540, filed on Mar. 22, 2018.
Prior Publication US 2024/0043459 A1, Feb. 8, 2024
This patent is subject to a terminal disclaimer.
Int. Cl. C07F 9/6574 (2006.01)
CPC C07F 9/65742 (2013.01) [C07B 2200/13 (2013.01)] 22 Claims
 
1. A process for making a crystalline form of a compound of Formula I, or a solvate thereof, comprising:
dissolving an amorphous form of a compound of Formula I in a first solvent to create a first solution;
adding a second solvent to the first solution to create a second mixture; and
isolating a crystalline form of a compound of Formula I from the second mixture;
wherein the compound of Formula I is:

OG Complex Work Unit Chemistry